No harmful pigments are used. The colour numbers followed by'-5' are the pure pigment. The colour numbers which have a'-3' after them have some black mixed in. Higher numbers such as'-7','8' and'-9' indicate that the pastels have white mixed in. 100.5 White, 205.8 Lemon Yellow, 201.5 Light Yellow, 202.5 Deep Yellow, 236.5 Light Orange, 370.5 Permanent Red Light, 372.5 Permanent Red, 331.5 Madder Lake Deep, 318.8 Carmine, 397.7 Permanent Rose, 545.5 Red Violet, 536.9 Violet, 548.7 Blue Violet, 505.9 Ultramarine Light, 506.7 Ultramarine Deep, 506.5 Ultramarine Deep, 508.7 Prussian Blue, 570.5 Phthalo Blue, 640.7 Bluish Green, 619.5 Permanent Green Deep, 675.5 Phthalo Green, 627.5 Cinnabar Green Deep, 618.9 Permanent Green Light, 618.5 Permanent Green Light, 626.10 Cinnabar Green Light, 626.5 Cinnabar Green Light, 626.3 Cinnabar Green Light, 620.7 Olive Green, 620.5 Olive Green, 620.3 Olive Green, 227.9 Yellow Ochre, 227.7 Yellow Ochre, 227.5 Yellow Ochre, 234.5 Raw Sienna, 231.7 Gold Ochre, 411.9 Burnt Sienna, 411.7 Burnt Sienna, 411.5 Burnt Sienna, 409.7 Burnt Umber, 409.5 Burnt Umber, 408.10 Raw Umber, 408.5 Raw Umber, 704.8 Gray, 727.8 Bluish Gray & 700.5 Black.